Earthquake Science team members are highlighted in bold.


S. X. Chu, V. C. Tsai, D. T. Trugman, and G. Hirth (2021). Fault interactions enhance high-frequency earthquake radiation. Geophysical Research Letters, 48, e2021GL095271, doi: 10.1029/2021GL095271.

Abercrombie, R. E., D. T. Trugman, P. M. Shearer, X. Chen, J. Zhang, C. N. Pennington, J. L. Hardebeck, T. H. W. Goebel, and C. J. Ruhl (2021). Does earthquake stress drop increase with depth in the crust? Journal of Geophysical Research: Solid Earth, 126, doi: 10.1029/2021JB022314.

Trugman, D. T., S. X. Chu, and V. C. Tsai (2021). Earthquake source complexity controls the frequency-dependence of near-source radiation patterns. Geophysical Research Letters, 48, e2021GL095022, doi: 10.1029/2021GL095022.

Tsai, V. C., G. Hirth, D. T. Trugman, and S. X. Chu (2021). Impact versus frictional earthquake models for high-frequency radiation in complex fault zones. Journal of Geophysical Research: Solid Earth, 126, doi: 10.1029/2021JB022313.

Skoumal, R. J., and D. T. Trugman (2021). The proliferation of induced seismicity in the Permian Basin. Journal of Geophysical Research: Solid Earth, 126, e2021JB021921, doi: 10.1029/2021JB021921.

Trugman, D. T., and A. Savvaidis (2021). Source spectral properties of earthquakes in the Delaware Basin of West Texas. Seismological Research Letters, 92 (4): 2477–2489, doi: 10.1785/0220200461.

Wang, T., D. T. Trugman, and Y. Lin (2021). SeismoGen: Seismic waveform synthesis using generative adversarial networks. Journal of Geophysical Research: Solid Earth, 126, e2020JB020077, doi: 10.1029/2020JB020077.


Trugman, D. T., I. W. McBrearty, D. C. Bolton, R. A. Guyer, C. Marone, and P. A. Johnson (2020). The spatiotemporal evolution of granular microslip precursors to laboratory earthquakes. Geophysical Research Letters, 47 (16), e2020GL088404, doi: 10.1029/2020GL088404.

Ross, Z. E., E. S. Cochran, D. T. Trugman, and J. D. Smith (2020). 3D fault architecture controls the dynamism of earthquake swarms. Science, 368 (6497), 1357–1361, doi: 10.1126/science.abb0779.

Trugman, D. T. (2020). Stress drop and source scaling of the 2019 Ridgecrest, California, earthquake sequence. Bulletin of the Seismological Society of America, 110 (4), 1859-1871, doi: 10.1785/012020009.

Trugman, D. T., Z. E. Ross, and P. A. Johnson (2020). Imaging stress and faulting complexity through earthquake waveform similarity. Geophysical Research Letters, 47 (1), e2019GL085888, doi: 10.1029/2019GL085888.

Ross, Z. E., D. T. Trugman, K. Azizzadenesheli, and A. Anandkumar (2020). Directivity modes of earthquake populations with unsupervised learning. Journal of Geophysical Research: Solid Earth, 125 (2), e2019JB018299, doi: 10.1029/2019JB018299.


Qin, Y., X. Chen, J. I. Walter, J. Haffener, D. T. Trugman, B. M. Carpenter, M. Weingarten, and F. Kolawole (2019). Deciphering the stress state of seismogenic faults in Oklahoma and Southern Kansas based on an improved stress map. Journal of Geophysical Research: Solid Earth, 124, 12920– 12934, doi: 10.1029/2019JB018377.

Trugman, D. T., and Z. E. Ross (2019). Pervasive foreshock activity across Southern California. Geophysical Research Letters, 46 (15), 8772-8781, doi: 10.1029/2019GL083725.

Ross, Z. E., D. T. Trugman, Hauksson, E., and Shearer, P. M. (2019). Searching for hidden earthquakes in Southern California. Science, 364(6442), 767–771, doi: 10.1126/science.aaw6888.

Trugman, D. T., M. T. Page, S. E. Minson, and E. S. Cochran (2019). Peak ground displacement saturates exactly when expected: Implications for earthquake early warning. Journal of Geophysical Research: Solid Earth, 124 (5), 4642– 4653, doi: 10.1029/2018JB017093.

Shearer, P. M., R. A. Abercrombie, D. T. Trugman, and W. Wang (2019). Comparing EGF methods for estimating corner frequency and stress drop from P-wave spectra. Journal of Geophysical Research: Solid Earth, 124 (4), 3966-3986, doi: 10.1029/2018JB016957.

Kong, Q., D. T. Trugman, Z. E. Ross, M. J. Bianco, B. J. Meade, and P. Gerstoft (2019). Machine learning in seismology – Turning data into insights. Seismological Research Letters, 90(1), 3-14, doi: 10.1785/0220180259.


Koper, K. D., K. L. Pankow, J. C. Pechmann, J. M. Hale, R. Burlacau, W. L. Yeck, H. M. Benz, R. B. Hermann, D. T. Trugman, and P. M. Shearer (2018). Afterslip enhanced aftershock activity during the 2017 earthquake sequence near Sulphur Peak, Idaho. Geophysical Research Letters, 45, 5352–5361, doi: 10.1029/2018GL078196.

Trugman, D. T., and P. M. Shearer (2018). Strong correlation between stress drop and peak ground acceleration for recent M1-M4 seismicity in the San Francisco Bay Area. Bulletin of the Seismological Society of America, 108 (2), 929-945, doi: 10.1785/0120170245.


Trugman, D. T., S. L. Dougherty, E. S. Cochran, and P. M. Shearer (2017). Source spectral properties of small to moderate earthquakes in Southern Kansas. Journal of Geophysical Research: Solid Earth, 122 (10), 8021–8034, doi: 10.1002/2017JB014649.

Trugman, D. T., and P. M. Shearer (2017). Application of an improved spectral decomposition method to examine earthquake source scaling in Southern California. Journal of Geophysical Research: Solid Earth, 122 (4), 2890–2910, doi: 10.1002/2017JB013971.

Trugman, D. T., and P. M. Shearer (2017). GrowClust: A hierarchical clustering algorithm for relative earthquake relocation, with application to the Spanish Springs and Sheldon, Nevada, earthquake sequences. Seismological Research Letters, 88 (2A), 379–391, doi: 10.1785/0220160188.


Trugman, D. T., P. M. Shearer, A. A. Borsa and Y. Fialko (2016). A comparison of long-term changes in seismicity at The Geysers, Salton Sea, and Coso geothermal fields. Journal of Geophysical Research: Solid Earth, 121 (1), 225–247, doi: 10.1002/2015JB012510.


Daub, E. G., D. T. Trugman, and P. A. Johnson (2015). Statistical tests on clustered global earthquake synthetic data sets. Journal of Geophysical Research: Solid Earth, 120 (8), 5693–5716, doi: 10.1002/2014JB011777.

Trugman, D. T., C. Wu, R. A. Guyer, and P. A. Johnson (2015). Synchronous low frequency earthquakes and implications for deep San Andreas fault slip. Earth and Planetary Science Letters, 424, 132–139, doi: 10.1016/j.epsl.2015.05.029.

Wu, C., R. A. Guyer, D. Shelly, D. T. Trugman, W. Frank, J. Gomberg, and P. A. Johnson (2015). Spatial-Temporal variation of low-frequency earthquake bursts near Parkfield, California. Geophysical Journal International, 202 (2), 914–919, doi: 10.1093/gji/ggv194.


Trugman, D. T., A. A. Borsa, and D. T. Sandwell (2014). Did stresses from The Cerro Prieto Geothermal Field influence the El Mayor-Cucapah rupture sequence? Geophysical Research Letters, 41 (24), 8767–8774, doi: 10.1002/2014GL061959.

Trugman, D. T., and E. M. Dunham (2014), A 2D pseudodynamic rupture model generator for earthquakes on geometrically complex faults. Bulletin of the Seismological Society of America, 104 (1), 95–112, doi: 10.1785/0120130138.


Trugman, D. T., E. G. Daub, R. A. Guyer, and P. A. Johnson (2013). Modeling dynamic triggering of tectonic tremor using a brittle-ductile friction model. Geophysical Research Letters, 40 (19), 5075–5079, doi: 10.1002/grl.50981.

Johnson, P. A., B. Ferdowsi, B. M. Kaproth, M. Scuderi, M. Griffa, J. Carmeliet, R. A. Guyer, P.-Y. Le Bas, D. T. Trugman, and C. Marone (2013). Acoustic emission and microslip precursors to stick-slip failure in sheared granular material. Geophysical Research Letters, 40 (21), 5627–5631, doi: 10.1002/2013GL057848.